arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef BCM63XX_DEV_ENET_H_
   3 #define BCM63XX_DEV_ENET_H_
   4
   5 #include <linux/if_ether.h>
   6 #include <linux/init.h>
   7
   8 #include <bcm63xx_regs.h>
   9
  10 /*
  11  * on board ethernet platform data
  12  */
  13 struct bcm63xx_enet_platform_data {
  14         char mac_addr[ETH_ALEN];
  15
  16         int has_phy;
  17
  18         /* if has_phy, then set use_internal_phy */
  19         int use_internal_phy;
  20
  21         /* or fill phy info to use an external one */
  22         int phy_id;
  23         int has_phy_interrupt;
  24         int phy_interrupt;
  25
  26         /* if has_phy, use autonegotiated pause parameters or force
  27          * them */
  28         int pause_auto;
  29         int pause_rx;
  30         int pause_tx;
  31
  32         /* if !has_phy, set desired forced speed/duplex */
  33         int force_speed_100;
  34         int force_duplex_full;
  35
  36         /* if !has_phy, set callback to perform mii device
  37          * init/remove */
  38         int (*mii_config)(struct net_device *dev, int probe,
  39                           int (*mii_read)(struct net_device *dev,
  40                                           int phy_id, int reg),
  41                           void (*mii_write)(struct net_device *dev,
  42                                             int phy_id, int reg, int val));
  43
  44         /* DMA channel enable mask */
  45         u32 dma_chan_en_mask;
  46
  47         /* DMA channel interrupt mask */
  48         u32 dma_chan_int_mask;
  49
  50         /* DMA engine has internal SRAM */
  51         bool dma_has_sram;
  52
  53         /* DMA channel register width */
  54         unsigned int dma_chan_width;
  55
  56         /* DMA descriptor shift */
  57         unsigned int dma_desc_shift;
  58
  59         /* dma channel ids */
  60         int rx_chan;
  61         int tx_chan;
  62 };
  63
  64 /*
  65  * on board ethernet switch platform data
  66  */
  67 #define ENETSW_MAX_PORT 8
  68 #define ENETSW_PORTS_6328 5 /* 4 FE PHY + 1 RGMII */
  69 #define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
  70
  71 #define ENETSW_RGMII_PORT0      4
  72
  73 struct bcm63xx_enetsw_port {
  74         int             used;
  75         int             phy_id;
  76
  77         int             bypass_link;
  78         int             force_speed;
  79         int             force_duplex_full;
  80
  81         const char      *name;
  82 };
  83
  84 struct bcm63xx_enetsw_platform_data {
  85         char mac_addr[ETH_ALEN];
  86         int num_ports;
  87         struct bcm63xx_enetsw_port used_ports[ENETSW_MAX_PORT];
  88
  89         /* DMA channel enable mask */
  90         u32 dma_chan_en_mask;
  91
  92         /* DMA channel interrupt mask */
  93         u32 dma_chan_int_mask;
  94
  95         /* DMA channel register width */
  96         unsigned int dma_chan_width;
  97
  98         /* DMA engine has internal SRAM */
  99         bool dma_has_sram;
 100 };
 101
 102 int __init bcm63xx_enet_register(int unit,
 103                                  const struct bcm63xx_enet_platform_data *pd);
 104
 105 int bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd);
 106
 107 enum bcm63xx_regs_enetdmac {
 108         ENETDMAC_CHANCFG,
 109         ENETDMAC_IR,
 110         ENETDMAC_IRMASK,
 111         ENETDMAC_MAXBURST,
 112         ENETDMAC_BUFALLOC,
 113         ENETDMAC_RSTART,
 114         ENETDMAC_FC,
 115         ENETDMAC_LEN,
 116 };
 117
 118 static inline unsigned long bcm63xx_enetdmacreg(enum bcm63xx_regs_enetdmac reg)
 119 {
 120         extern const unsigned long *bcm63xx_regs_enetdmac;
 121
 122         return bcm63xx_regs_enetdmac[reg];
 123 }
 124
 125
 126 #endif /* ! BCM63XX_DEV_ENET_H_ */